package lab03.test08;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * Created by Administrator on 2017/12/7.
 */
public class Test {
    public static void main(String[] args) {
        String file1 = "D:\\file1.txt";
        String file2 = "D:\\file2.txt";
        String file3 = "D:\\file3.txt";

        //字节流读文件
        FileInputStream file1InputStream = null;
        FileInputStream file2InputStream = null;
        //字节流写文件
        FileOutputStream file3OutputStream = null;

        try {
            file1InputStream = new FileInputStream(file1);
            file2InputStream = new FileInputStream(file2);
            file3OutputStream = new FileOutputStream(file3);

            int data1 = 0;
            int data2 = 0;

            while (((data1 = file1InputStream.read()) !=-1)
             ||((data1 = file2InputStream.read()) !=-1)
            ){
                file3OutputStream.write(data1);
                file3OutputStream.write(data2);

            }

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
          try{

              file1InputStream.close();
              file2InputStream.close();
              file3OutputStream.close();
            } catch (IOException e) {
              e.printStackTrace();
          }

        }
    }
}
